145170465 has 16 divisors (see below), whose sum is σ = 253388736. Its totient is φ = 70385600.

The previous prime is 145170461. The next prime is 145170517. The reversal of 145170465 is 564071541.

It is not a de Polignac number, because 145170465 - 2² = 145170461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145170461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439746 + ... + 440075.

It is an arithmetic number, because the mean of its divisors is an integer number (15836796).

Almost surely, 2^145170465 is an apocalyptic number.

145170465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145170465 is a deficient number, since it is larger than the sum of its proper divisors (108218271).

145170465 is a wasteful number, since it uses less digits than its factorization.

145170465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879840.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145170465 is about 12048.6706735640. The cubic root of 145170465 is about 525.5645808452.

The spelling of 145170465 in words is "one hundred forty-five million, one hundred seventy thousand, four hundred sixty-five".